spheroidal graphite

基本解釋

In the first stage of the arrest, the spheroidal graphite nucleated prior to the eutectic freezing and grew with austenite shell.
第二階段形成蠕蟲(chóng)狀石墨，因包圍球狀石墨的奧氏體部分熔解，使它與熔液接觸生長(zhǎng)。
Adding different alloy combination of RE, copper and titanium, then through gestation and nodulizing disposal, we got the fine texture of ferrite pearlite and spheroidal graphite.
通過(guò)在中硅耐熱鑄鐵中添加不同組合的合金元素稀土、銅、鈦使其合金化，經(jīng)過(guò)孕育和球化處理，得到鐵素體+珠光體+球狀石墨的金相組織。
The influence of flake and spheroidal graphite on oxyacetylene cutting characteristic of cast iron has been analysed.
討論了石墨的物理性能，分析了片狀和球狀石墨聚集狀態(tài)對(duì)鑄鐵氣割性的影響。